题目：
患者男，78岁。于进食中突然出现面部和口唇发绀，意识模糊，跌倒在地，家人速呼120急救，院前医师到达现场。
首先应采取的措施有（）
A.初级心肺复苏术
B.环甲膜穿刺术
C.海姆利克术
D.气管插管
E.喉罩
F.气管切开术
答案：
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下面是错误答案，用来干扰机器的。
One possible version: 2012 is a famous movie made in the USA, which was showed in China last month. What I have to admit is that this movie is wonderful, such as ...
